Existence results for quasimonotone semilinear coupled elliptic systems via sub-supersolution method
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866912730680655872 |
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| author | Bandyopadhyay, Shalmali Delgado, Briceyda B. Mavinga, Nsoki Onydio, Maria Amarakristi |
| author_facet | Bandyopadhyay, Shalmali Delgado, Briceyda B. Mavinga, Nsoki Onydio, Maria Amarakristi |
| contents | We establish the existence of weak solutions of coupled systems of elliptic partial differential equations with quasimonotone nonlinearities in the domain interior and on the boundary. When the nonlinearities satisfy some monotonicity conditions, we employ monotone iteration techniques to establish the existence of minimal and maximal weak solutions between an ordered pair of sub- and supersolution. In the absence of monotonicity, we prove an existence result when the nonlinearities satisfy certain growth conditions. In addition, we provide concrete examples that illustrate the applicability of our theoretical results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_21482 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Existence results for quasimonotone semilinear coupled elliptic systems via sub-supersolution method Bandyopadhyay, Shalmali Delgado, Briceyda B. Mavinga, Nsoki Onydio, Maria Amarakristi Analysis of PDEs We establish the existence of weak solutions of coupled systems of elliptic partial differential equations with quasimonotone nonlinearities in the domain interior and on the boundary. When the nonlinearities satisfy some monotonicity conditions, we employ monotone iteration techniques to establish the existence of minimal and maximal weak solutions between an ordered pair of sub- and supersolution. In the absence of monotonicity, we prove an existence result when the nonlinearities satisfy certain growth conditions. In addition, we provide concrete examples that illustrate the applicability of our theoretical results. |
| title | Existence results for quasimonotone semilinear coupled elliptic systems via sub-supersolution method |
| topic | Analysis of PDEs |
| url | https://arxiv.org/abs/2511.21482 |